I have gone back to 2015 and replicated my 2018 analysis  of the impact of winning the toss on the first 40 county championship games of the season.  Comparing the two years it is remarkable how similar they are.  A few tables illustrate the point. Win the toss outcomes '15 '18 Win 14 13 Lose 11 13 Draw 15 12 I've occasionally shrugged off defeats for my county, Warwickshire, because "once we lost the toss we lost the game" but that is very rarely true. Batting first though seems to provide a (very slight) advantage. Batting first outcomes '15 '18 Win 14 14 Lose 11 12 Draw 15 12 Conversely winning the toss and choosing to bowl doesn't give the bowling team much, if any, of an advantage. Win the toss and bowl / elect to bowl '15 '18 Win 8 8 Lose 8 9 Draw 11 8 There's a good post on By the sightscreen which suggests perhaps a similar pattern in 20:20.  The toss doesn't matter much but batting first